footer {
    position: fixed;
    width: 100%;
    height: 45px;
    left: 0;
    bottom: 0;
    background: #fff;
    display: flex !important;
    z-index: 3000;
    border-top: 1px solid #b9b9b9;

    div {
        flex: 1;
        height: 45px;

        a {
            display: block;
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            box-sizing: border-box;
            padding: 3px 0;
            text-align: center;
            font-family: "微软雅黑";
            color: #999;
            position: relative;

            i {
                width: 100%;
                height: 20px;
                line-height: 20px;
                font-size: 18px !important;
            }

            span {
                width: 100%;
                height: 19px;
                line-height: 19px;
                font-size: 14px;
            }

            .hot {
                position: absolute;
                top: 3px;
                left: 60%;
                display: inline-block;
                width: 20px;
                height: 16px;
                font-size: 12px;
                line-height: 16px;
                border-radius: 50%;
                // background: red;
                color: #fff;
            }
        }

        .nav-active,
        .active {
            color: #ff5f16;
            border-color: #ff5f16;
        }

    }
}